TWM502769U - Air center assembly - Google Patents
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- TWM502769U TWM502769U TW103222593U TW103222593U TWM502769U TW M502769 U TWM502769 U TW M502769U TW 103222593 U TW103222593 U TW 103222593U TW 103222593 U TW103222593 U TW 103222593U TW M502769 U TWM502769 U TW M502769U
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Description
本創作係關於一種輪胎氣門嘴，尤指該輪胎氣門嘴中的氣心組件創作。This creation is about a tire valve, especially the creation of a pneumatic component in the tire valve.
目前世界各國因各自發展其特有性能的輪胎氣門嘴，故習知的輪胎氣門嘴概有英德式輪胎氣門嘴、美式(含通用型汽、機車)輪胎氣門嘴以及法式輪胎氣門嘴等型式。前述中各式輪胎氣門嘴中，法式輪胎氣門嘴其氣心組件則是於心桿本體上設置一鎖固螺帽，藉由鎖固螺帽鎖緊時，心桿本體下方之密接環圈可緊密於心管本體中孔之斜錐面處，以防止鬆脫，可避免行駛時有漏氣的危險，達到極佳的止漏效果，具有適用於高壓胎使用的特性，同時可精密控制進氣量；而美式輪胎氣門嘴(含通用型汽、機車用輪胎氣門嘴)則其氣嘴管體是一種內孔具有5V1規格螺紋，因其氣嘴管體外徑較大且具有相當尺寸的管壁厚度而具備高強度性能等。At present, all countries in the world develop tire valves with their unique performances. Therefore, the known tire valves include Yingde type tire valve, American type (including general-purpose steam and locomotive) tire valve and French tire valve. In the above various types of tire valve, the pneumatic core component of the French tire valve is provided with a locking nut on the main body of the mandrel. When the locking nut is locked, the close ring under the main body of the mandrel can be Close to the inclined taper of the hole in the body of the heart tube to prevent loosening, avoiding the risk of air leakage during driving, achieving excellent leak-stopping effect, featuring characteristics suitable for use in high-pressure tires, and precise control The American tire valve (including the general-purpose steam and the tire valve for the locomotive) has a nozzle body which is a 5V1 thread in the inner hole, and has a relatively large outer diameter of the nozzle body and has a considerable size. High wall strength and high strength performance.
前述法式輪胎氣門嘴因係著重於耐高壓胎使用的特性，故該法式輪胎氣門嘴係採用細長狀氣嘴管體搭配直接鎖固於氣嘴管體端部內的氣心組件的組合構造。惟法式輪胎氣門嘴之組成構造中，細長狀氣嘴管體的管壁厚度偏薄，而有強度不足的缺點，該法式輪胎氣門嘴一旦受到外力作用，易發生氣嘴管體斷裂之情事，另故歐洲傳統打氣筒的氣嘴大多數為法式氣嘴，可同時用法式或英式輪胎氣門嘴打氣，故若遇到美式輪胎氣嘴則須更換氣嘴，造成使用上的不便；又傳統美式(含通用型汽、機車)輪胎氣門嘴雖具備高強度性能，但氣心組件內部設置有彈簧，彈簧易生銹折斷、變形、彈性疲乏、或易因含有 雜物(如灰塵、砂粒或製造安裝時的滑石粉)卡住氣心等因素導致失去防止漏氣的效能，而造成輪胎易洩氣、使用壽命短亦及不適用於高壓胎使用等缺點。Because the French tire valve is mainly focused on the characteristics of the high pressure resistant tire, the French tire valve adopts a combination structure of a slender air nozzle tube and a pneumatic core assembly directly locked in the end of the nozzle body. However, in the composition of the French tire valve, the thickness of the tube wall of the elongated gas nozzle tube is thin, and there is a disadvantage of insufficient strength. Once the French tire valve is subjected to an external force, the nozzle body is easily broken. In addition, most of the traditional European gas cylinders are French air nozzles, which can be used for both the French and British tire valves. Therefore, if you encounter the American tire nozzles, you must replace the nozzles, causing inconvenience in use; Although the traditional American (including general-purpose steam and locomotive) tire valves have high strength performance, the inside of the pneumatic core assembly is provided with a spring, and the spring is easy to rust, break, deform, elastic fatigue, or easy to contain. Miscellaneous materials (such as dust, sand or talcum powder during manufacturing installation) can cause the loss of gas leakage due to factors such as stagnation of the gas, which may cause the tire to be easily deflated, have a short service life, and are not suitable for use in high-pressure tires.
本創作之主要目的在於提供一種氣心組件，藉此解決現有法式輪胎氣門嘴細長狀氣嘴管體強度不足，以及美式輪胎氣門嘴氣心壽命較短、防止漏氣能力不足及不適用於高壓胎使用的缺點。The main purpose of this creation is to provide a pneumatic core assembly to solve the problem of insufficient strength of the slender air nozzle body of the existing French tire valve, and the short life of the American tire valve, the lack of air leakage capacity and the unsuitable for high pressure. The disadvantages of using the tire.
為達成前揭目的，本創作所提出之氣心組件係包含：一氣心管，其包含一心管本體以及一氣密環圈，心管本體兩端為一第一端部與一第二端部，於第一端部與第二端部之間具有一中段部，第一端部與中段部外周面形成螺紋，所述具有螺紋的中段部符合5V1螺紋之規格，氣密環圈氣密地套設第二端部外側，心管本體中形成一軸向貫穿的中孔；以及一氣心桿，其包含一具有螺桿段與定位部的心桿本體、一密接環圈以及一鎖固螺帽，密接環圈氣密套設於心桿本體的定位部，氣心桿以其心桿本體穿設於心管本體內，鎖固螺帽位於心管本體第一端部外側且螺接於心桿本體的螺桿部，並使密接環圈氣密氣密接合於心管本體的第二端部。In order to achieve the foregoing, the ventilating component proposed by the present invention comprises: a ventilating tube comprising a core tube body and a gas-tight ring, the first end of the core tube body being a first end portion and a second end portion, Between the first end portion and the second end portion, a middle portion is formed, the first end portion and the outer peripheral surface of the middle portion portion are threaded, and the middle portion having the thread conforms to the specification of the 5V1 thread, and the airtight ring is airtightly sleeved An axially extending central hole is formed in the outer side of the second end portion; and a pneumatic rod includes a core body having a screw segment and a positioning portion, a close ring and a locking nut. The close-loop ring is airtightly sleeved on the positioning portion of the core rod body, and the pneumatic core rod is disposed in the heart tube body with the core rod body, and the locking nut is located outside the first end portion of the core tube body and screwed to the core rod The screw portion of the body and the airtight air ring are hermetically and airtightly joined to the second end of the core tube body.
藉由前述輪胎氣門嘴的氣心組件的組成構造創作，其主要係利用該氣心組件能符合內孔為5V1螺紋規格的氣嘴管體中(含自行車的美式氣門嘴或汽、機車氣門嘴)使用，而獲得較佳的強度，同時，該氣心組件係採取鎖固式阻止洩氣的構造，使其具備精準控制的耐高壓胎功能、防止漏氣而增加行駛中的安全性、及延長使用壽命，並可便利於一般法式打氣筒使用，故本創作藉由型式及結構的創新改變，而增加氣心組件的使用功能及安全性等優點。It is created by the composition of the pneumatic core assembly of the aforementioned tire valve, which mainly utilizes the pneumatic core assembly to conform to the nozzle body of the 5V1 thread size of the inner hole (the American-style valve or the steam and locomotive valve including the bicycle) Use to obtain better strength. At the same time, the ventilating component adopts a lock-type structure that prevents deflation, so that it has a high-pressure tire function with precise control, prevents air leakage, increases safety during driving, and prolongs The service life is convenient and can be conveniently used in general French inflators. Therefore, this creation has the advantages of innovative use of type and structure, and increases the use function and safety of the pneumatic components.
10、10a、10b、10c、10d‧‧‧氣嘴管體10, 10a, 10b, 10c, 10d‧‧‧ gas nozzle body
11‧‧‧螺紋部11‧‧‧Threading Department
12‧‧‧氣心組接端部12‧‧‧ pneumatic core end
13‧‧‧橡膠底座13‧‧‧Rubber base
14‧‧‧軸孔14‧‧‧Axis hole
141‧‧‧螺孔段141‧‧‧ screw hole section
142‧‧‧圓錐形孔段142‧‧‧Conical hole section
15‧‧‧橡膠基座15‧‧‧Rubber base
20‧‧‧氣心組件20‧‧‧ pneumatic components
30‧‧‧氣心管30‧‧‧ 气心管
31‧‧‧心管本體31‧‧‧heart tube body
311‧‧‧第一端部311‧‧‧ first end
312‧‧‧第二端部312‧‧‧ second end
313‧‧‧中段部313‧‧ mid-section
314‧‧‧中孔314‧‧‧Medium hole
315‧‧‧錐面315‧‧‧ Cone
32‧‧‧氣密環圈32‧‧‧Airtight ring
40‧‧‧氣心桿40‧‧‧ qi heart rod
41‧‧‧心桿本體41‧‧‧Heart stem
411‧‧‧螺桿段411‧‧‧screw segment
412‧‧‧定位部412‧‧‧ Positioning Department
42‧‧‧密接環圈42‧‧‧Close ring
43‧‧‧鎖固螺帽43‧‧‧Lock nuts
圖1係本創作氣心組件之一較佳實施例的半剖面示意圖。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a half cross-sectional view of a preferred embodiment of the present pneumatic component.
圖2係圖1所示氣心組件較佳實施例與一美式氣嘴管體的平面分解示意圖。2 is a plan exploded view of the preferred embodiment of the pneumatic core assembly of FIG. 1 and an American air nozzle body.
圖3係圖2所示氣心組件較佳實施例與美式氣嘴管體組合後的平面示意圖。3 is a plan view showing the preferred embodiment of the wick assembly of FIG. 2 combined with the American nozzle body.
圖4~圖7係圖1所示氣心組件較佳實施例分別應用於其他各種態樣的美式氣門嘴之平面示意圖。4 to 7 are schematic plan views showing a preferred embodiment of the pneumatic core assembly shown in FIG. 1 applied to other various aspects of the American valve.
如圖1所示，係揭示本創作氣心組件之一較佳實施例，由圖式中可以見及，所述氣心組件20包含一氣心管30以及一氣心桿40。As shown in FIG. 1, a preferred embodiment of the present pneumatic component is disclosed. As can be seen from the drawings, the pneumatic assembly 20 includes a core tube 30 and a pneumatic rod 40.
如圖1所示，該氣心管30包含一心管本體31以及一氣密環圈32。所述心管本體31包含一第一端部311、一第二端部312以及一中段部313，第一端部311與第二端部312分別位於心管本體31的兩端，中段部313位於第一端部311與第二端部312之間，第一端部311與中段部313外周面形成螺紋，所述具有螺紋的中段部313符合5V1螺紋之規格，心管本體31中形成一軸向貫穿的中孔314，所述中孔314提供氣心桿40裝設所需的深度，氣密環圈32氣密地套設第二端部312外側。所述氣心管30第二端部312的開口處還能進一步形成一錐面315。As shown in FIG. 1, the core tube 30 includes a core tube body 31 and a gas tight ring 32. The core tube body 31 includes a first end portion 311, a second end portion 312, and a middle portion 313. The first end portion 311 and the second end portion 312 are respectively located at two ends of the core tube body 31, and the middle portion 313 Located between the first end portion 311 and the second end portion 312, the first end portion 311 and the outer peripheral surface of the middle portion portion 313 form a thread, and the threaded middle portion 313 conforms to the specification of the 5V1 thread, and the heart tube body 31 forms a An axially extending central bore 314 provides a desired depth for the pneumatic stem 40 to be mounted, and the hermetic collar 32 is hermetically sleeved outside the second end 312. A tapered surface 315 can be further formed at the opening of the second end portion 312 of the core tube 30.
如圖1所示，所述氣心桿40包含一心桿本體41、一密接環圈42以及一鎖固螺帽43，所述心桿本體41兩端分別為一螺桿段411以及一定位部412，密接環圈42係氣密套設於定位部412，鎖固螺帽43係能螺設於螺桿段411上，氣心桿40係以其心桿本體41穿設於心管本體31的中孔314中，心桿本體41的螺桿段411伸出心管本體31的第一端部311外，心桿本體41的定位部412申出心管本體31的第二端部312外，並藉由螺設於螺桿段411上的鎖固螺帽43將心桿本體41 鎖固於心管本體31中，並使套設於定位部412上的密接環圈42氣密接合於心管本體31位於第二端部312的中孔314孔緣的錐面315處。As shown in FIG. 1 , the pneumatic rod 40 includes a core body 41 , a close-loop ring 42 , and a locking nut 43 . The two ends of the core body 41 are respectively a screw segment 411 and a positioning portion 412 . The sealing ring 42 is airtightly sleeved on the positioning portion 412, and the locking nut 43 is screwed on the screw segment 411, and the core rod 40 is disposed in the core tube body 31 with the core body 41 thereof. In the hole 314, the screw segment 411 of the stem body 41 extends out of the first end portion 311 of the core tube body 31, and the positioning portion 412 of the stem body 41 is applied out of the second end portion 312 of the core tube body 31 by The locking nut 43 screwed on the screw segment 411 will be the stem body 41 The core tube body 31 is locked in the core tube body 31, and the close-loop ring 42 sleeved on the positioning portion 412 is hermetically joined to the cone surface 315 of the core tube body 31 at the edge of the middle hole 314 of the second end portion 312.
如圖2及圖3所示，係揭示本創作氣心組件20與一種美式(含通用型汽、機車)輪胎氣門嘴的氣嘴管體10組合之實施型態，所述氣嘴管體10外周面形成螺紋部11，氣嘴管體10的一端為氣心組接端部12，氣嘴管體10內部具有一軸向貫穿的軸孔14，所述軸孔14包含有一螺孔段141，所述螺孔段141為5V1螺紋規格之螺孔，以及一圓錐形孔段142，螺孔段141及圓錐形孔段142位於氣心組接端部12內部，且螺孔段141位於圓錐形孔段142外側，圓錐形孔段142係由氣心組接端部12朝向結合端部13方向呈尺寸遞減。As shown in FIG. 2 and FIG. 3, the embodiment of the present invention is disclosed in combination with a nozzle body 10 of an American (including a general-purpose steam, locomotive) tire valve, the nozzle body 10 The outer peripheral surface is formed with a threaded portion 11, and one end of the nozzle body 10 is a pneumatic core assembly end portion 12. The inside of the nozzle body 10 has an axially extending shaft hole 14, and the shaft hole 14 includes a screw hole portion 141. The screw hole section 141 is a screw hole of a 5V1 thread size, and a conical hole section 142. The screw hole section 141 and the conical hole section 142 are located inside the pneumatic core assembly end portion 12, and the screw hole section 141 is located in the conical section. On the outer side of the shaped hole section 142, the conical hole section 142 is reduced in size from the center of the core end portion 12 toward the joint end portion 13.
如圖2及圖3所示，所述氣心組件20係組設於氣嘴管體10的氣心組接端部12內，氣心組件20係以其精心創作的氣心管30具有螺紋的中段部313的尺寸螺設於符合內孔為5V1螺紋規格的氣嘴管體10(含自行車的美式氣門嘴或汽、機車氣門嘴)的軸孔14內的螺孔段141，並使氣心管30第二端部312的氣密環圈32的尺寸符合一般氣嘴內孔為5V1螺紋規格的氣嘴管體10(含自行車的美式氣門嘴或汽、機車氣門嘴)使用，而可氣密抵接氣嘴管體10的軸孔14內的圓錐形孔段142側壁，氣心組件20之氣心管30第一端部311伸出氣嘴管體10的氣心組接端部12外側。As shown in FIG. 2 and FIG. 3, the pneumatic core assembly 20 is assembled in the pneumatic core assembly end portion 12 of the nozzle body 10, and the pneumatic core assembly 20 is threaded with its carefully created gas core tube 30. The size of the middle portion 313 is screwed to the screw hole portion 141 in the shaft hole 14 of the nozzle body 10 (including the bicycle American valve or the steam engine and the locomotive valve) having the inner hole of 5V1 thread size, and the gas is ventilated. The size of the airtight ring 32 of the second end portion 312 of the core tube 30 conforms to the nozzle body 10 (the American-style valve with a bicycle or the steam and locomotive valve) of the 5V1 thread size of the general nozzle. The gas-tightly abutting the side wall of the conical hole section 142 in the shaft hole 14 of the gas nozzle body 10, the first end portion 311 of the gas core tube 30 of the gas core assembly 20 extends out of the gas core assembly end portion 12 of the nozzle body 10. Outside.
本創作氣心組件20除能應用於前揭美式氣嘴管10構成一美式輪胎氣門嘴之外，也能夠通用於如圖4至圖7所示各種態樣的美式氣嘴管體10a、30b、30c、30d中，構成其他型式的輪胎氣門嘴。如圖2至圖6所示，本創作氣心組件20與各式氣嘴管體10組成的輪胎氣門嘴，還可於所述氣嘴管體10末端形成一橡膠底座，藉由橡膠底座固接於輪胎的內胎上，氣嘴管體與內胎連通。或者，如圖7所示，所述氣嘴管體10d末端也可設置一橡膠基座15，或是氣嘴管體 末端可設置金屬座體，並搭配螺帽鎖固於無內胎的輪圈上，本創作亦可應用於各種有內胎或無內胎的美式氣嘴管體使用，而不以說明書的圖式為限。The creation of the pneumatic component 20 can be applied to the US-style valve tube 10 to form an American tire valve, and can also be applied to various types of American nozzle bodies 10a, 30b as shown in FIGS. 4 to 7. Among the 30c and 30d, other types of tire valve are formed. As shown in FIG. 2 to FIG. 6 , the tire valve of the present invention and the various types of nozzle body 10 can also form a rubber base at the end of the nozzle body 10, which is fixed by a rubber base. Connected to the inner tube of the tire, the nozzle body is in communication with the inner tube. Alternatively, as shown in FIG. 7, a rubber base 15 or a nozzle body may be disposed at the end of the nozzle body 10d. The metal seat can be set at the end and can be locked on the tubeless rim with the nut. This creation can also be applied to various American nozzle tubes with inner tube or tubeless tube, not limited to the specification of the manual. .
以圖3所示輪胎氣門嘴為例，當輪胎打氣時，係旋開氣心組件10的氣心桿40的鎖固螺帽43，使氣心桿40的密接環圈42與心管本體31間產生間隙，之後，利用打氣裝置連接該輪胎氣門嘴的氣心組件10，打氣裝置作動產生的高壓空氣通過輪胎氣門嘴的氣心組件10內部與氣嘴管體10內部後進入輪胎中，待輪胎打氣完成後，拆下打氣裝置且重新鎖固氣心組件10以防止輪胎洩氣。再者，該氣心組件10於充氣後，輪胎內部的氣體壓力會將氣心組件10中的氣心桿40往外推，而令氣心桿40中的密接環圈42緊抵於氣心管30第二端部312開口處的錐面315處做一個阻擋，形成一緊密配合而達到止漏的效果，即使鎖固螺帽43被鬆脫仍也不會漏氣之問題。Taking the tire valve shown in FIG. 3 as an example, when the tire is inflated, the locking nut 43 of the pneumatic rod 40 of the pneumatic core assembly 10 is unscrewed, so that the close-loop 42 of the pneumatic rod 40 and the core tube body 31 are A gap is generated, and then the air pump assembly 10 of the tire valve is connected by a pumping device, and the high-pressure air generated by the air pumping device passes through the inside of the pneumatic core assembly 10 of the tire valve and the inside of the nozzle body 10, and then enters the tire. After the tire is aired, the air pump is removed and the air core assembly 10 is re-locked to prevent the tire from deflated. Moreover, after the pneumatic assembly 10 is inflated, the gas pressure inside the tire pushes the pneumatic rod 40 in the pneumatic core assembly 10 outward, and the close-loop 42 in the pneumatic rod 40 is pressed against the pneumatic tube. At the tapered surface 315 at the opening of the second end portion 312, a barrier is formed to form a tight fit to achieve a leak-stopping effect, and even if the locking nut 43 is loosened, there is no problem of air leakage.
藉此氣心組件的創作，其主要係利用該氣心組件能符合於具備5V1螺紋規格的氣嘴管體(如美式或通用型汽、機車輪胎氣門嘴)使用，而獲得如下的優點：(1)增加氣心組件的的強度；(2)增長氣心的使用壽命；(3)氣心組件係採取鎖固式阻止洩氣的構造，使其具備精準控制胎壓、防止漏氣的優點及增加行駛的安全性；(4)可便利於一般法式打氣筒使用。The creation of the ventilating component is mainly achieved by using the ventilating component to conform to a nozzle body having a 5V1 thread specification (such as an American or general-purpose steam or locomotive tire valve), and obtaining the following advantages: 1) increase the strength of the pneumatic component; (2) increase the service life of the pneumatic core; (3) the pneumatic core component adopts a lock-type structure that prevents the air leakage, so that it has the advantages of accurately controlling the tire pressure and preventing air leakage. Increase driving safety; (4) Convenient for general French pump use.
以上所述僅是本創作的較佳實施例而已，並非對本創作做任何形式上的限制，雖然本創作已以較佳實施例揭露如上，然而並非用以限定本創作，任何熟悉本領域中的專業技術人員，在不脫離本創作技術方案的範圍內，當可利用上述揭示的技術方案作出些許更動或修飾為等同變化的等效實施例，但凡是未脫離本創作技術方案的內容，依據本創作的技術方案對以上較佳實施例所作的任何簡單修改、等同變化與修飾，均仍屬於本創作技術方案的範圍內。The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the present invention, any familiarity in the art. A person skilled in the art can make some modifications or modifications to equivalent embodiments by using the above-disclosed technical solutions without departing from the technical solutions of the present invention. STRUCTURAL TECHNIQUES Any simple modifications, equivalent changes, and modifications made to the above-described preferred embodiments are still within the scope of the present invention.
以上所述僅是本創作的較佳實施例而已，並非對本創作做任何形式上的限制，雖然本創作已以較佳實施例揭露如上，然而並非用以限定本創作，任何熟悉本領域中的專業技術人員，在不脫離本創作技術方案的範圍內，當可利用上述揭示的技術方案作出些許更動或修飾為等同變化的等效實施例，但凡是未脫離本創作技術方案的內容，依據本創作的技術方案對以上較佳實施例所作的任何簡單修改、等同變化與修飾，均仍屬於本創作技術方案的範圍內。The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the present invention, any familiarity in the art. A person skilled in the art can make some modifications or modifications to equivalent embodiments by using the above-disclosed technical solutions without departing from the technical solutions of the present invention. STRUCTURAL TECHNIQUES Any simple modifications, equivalent changes, and modifications made to the above-described preferred embodiments are still within the scope of the present invention.
20‧‧‧氣心組件20‧‧‧ pneumatic components
30‧‧‧氣心管30‧‧‧ 气心管
31‧‧‧心管本體31‧‧‧heart tube body
311‧‧‧第一端部311‧‧‧ first end
312‧‧‧第二端部312‧‧‧ second end
313‧‧‧中段部313‧‧ mid-section
314‧‧‧中孔314‧‧‧Medium hole
315‧‧‧錐面315‧‧‧ Cone
32‧‧‧氣密環圈32‧‧‧Airtight ring
40‧‧‧氣心桿40‧‧‧ qi heart rod
41‧‧‧心桿本體41‧‧‧Heart stem
411‧‧‧螺桿段411‧‧‧screw segment
412‧‧‧定位部412‧‧‧ Positioning Department
42‧‧‧密接環圈42‧‧‧Close ring
43‧‧‧鎖固螺帽43‧‧‧Lock nuts
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103222593U TWM502769U (en) | 2014-12-19 | 2014-12-19 | Air center assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103222593U TWM502769U (en) | 2014-12-19 | 2014-12-19 | Air center assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWM502769U true TWM502769U (en) | 2015-06-11 |
Family
ID=53936908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW103222593U TWM502769U (en) | 2014-12-19 | 2014-12-19 | Air center assembly |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWM502769U (en) |
-
2014
- 2014-12-19 TW TW103222593U patent/TWM502769U/en not_active IP Right Cessation
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